Finding the Fourth Proportional to 291,574.07, 402,376.24 and 162,508.94
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Solution
The fourth proportional to 291,574.07, 402,376.24 and 162,508.94 is: 224,264.58
Step by Step Solution
- Step 1: Write the proportion equation
291,574.07 : 402,376.24 = 162,508.94 : x - Step 2: Convert to fraction form
291,574.07/402,376.24 = 162,508.94/x - Step 3: Cross multiply
291,574.07x = 402,376.24 × 162,508.94 - Step 4: Simplify right side
291,574.07x = 65,389,735,943.75 - Step 5: Solve for x
x = 65,389,735,943.75/291,574.07 - Step 6: Final answer
x = 224,264.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.